Originally Posted by bill-in-forres

Scarry? Why?


(1) 40 mm filter ... (2) $500 or less for 0.5-0.7 Angstrom bandpass ...
the PST is the most basic of Coronado's offerings and this result is
outstanding for the "bottom of the h-alpha product line".

Anthony.

There are thousands of PSTs out there but very few of them produce
images like that.
Perhaps most of the credit should go to the imager and the way he has
mastered the combination of the 'scope, the camera and the software.
Bill